17. The eruption of Krakatoa in 1882 was one of the deadliest and most destructive volcanic events in the past few millennia, with around 36,400 people being killed by the eruption itself and the tsunamis it created.
18. And rounding up our list with something a bit more cheerful: have you noticed that Indonesia and Monaco have the exact same flag but Indonesia’s is just a small bit wider? Now I dare u\you to unsee it.